US PATENT SUBCLASS 164 / 219
.~.~.~.~ Means effecting parallel motion

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
213  DF  .~ Including means for separating forming surface from shaping means {9}
217  DF  .~.~ Utilizing a stripping plate {1}
218  DF  .~.~.~ Pattern withdrawn vertically downwardly {3}
219.~.~.~.~ Means effecting parallel motion

DEFINITION

Classification: 164/219

(under subclass 218) Apparatus directed to means for withdrawing a pattern which effect an equal and parallel draw motion to the pattern with reference to at least two points.

(1) Note. The withdrawing force must be applied to at least two points and does not include those means in which the force is applied at a single point and the pattern merely guided along parallel lines.